Bernhardsen, Tor <br/><br/>
Geographic information systems 

 - Norway  Viak IT  1992 
 - xiv, 318p.  24cm. 
<br/><br/><label>ISBN: </label>8299192838 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography and travel
<br/><br/><label>Dewey Class. No.: </label>910  / BER